高中英语选修七Unit3 Under the sea Period 4教案

申明敬告: 本站不保证该用户上传的文档完整性,不预览、不比对内容而直接下载产生的反悔问题本站不予受理。

文档介绍

高中英语选修七Unit3 Under the sea Period 4教案

Period 4 Grammar Teaching aims     ‎ ‎1.Students will be able to recognize the -ing/being done forms and know the exact meanings of them.‎ ‎2.Students will be able to use these two forms correctly.‎ Teaching procedures     ‎ Step 1 Revision ‎ Ask students to answer the following questions without referring to the textbook.‎ ‎1.What did Clancy witness when he ran down to the shore?‎ ‎2.Why did Clancy run in a hurry?‎ ‎3.What did Old Tom do when they headed into the bay?‎ ‎4.What did Old Tom do after George beat the water?‎ ‎5.What did Clancy witness when they drew near?‎ Suggested answers:‎ ‎1.He saw a whale throwing itself out of the water and then crashing_down again.‎ ‎2.Because Clancy had already heard that George didn't like being_kept_waiting.‎ ‎3.They could see Old Tom swimming by the boat,showing them the way.‎ ‎4.Tom circled back to the boat,leading them to the hunt again.‎ ‎5.He could see a whale being_attacked by a pack of about six other killers.‎ Next,ask students to pay attention to the underlined words and lead into the grammar item—“v.-ing”/“being done”.‎ Step 2 Grammar learning ‎1.现在分词(-ing 形式)的构成。‎ v.-ing 形式由 “do+ing” 构成,其否定形式是 “not doing”,v.-ing 可以带宾语或状语构成 v.-ing 短语,没有人称和数的变化,但有时态和语态的变化。‎ ‎2.动词-ing 形式的被动式分一般式和完成式:‎ ‎(1) 一般式:表示这个被动的动作正在进行或与谓语表示的动作同时发生。‎ ‎(2) 完成式:强调这个被动的动作在谓语动词所表示的动作之前完成。‎ ‎  语态时态 主动语态 被动语态 一般式 ‎(not)doing ‎(not)being done 完成式 ‎(not)having done ‎(not)having been done ‎  3.动词-ing的被动式的句法功能。‎ ‎(1)作主语。如:So_being_killed_by_sharks was a common thing.‎ ‎(2)作宾语,用在介词后或需要带-ing 形式作宾语的动词后。如:‎ George didn't like being_kept_waiting.‎ He was terrified of being_abandoned_by_us.‎ Do you remember_having_been_taken to Beijing at the age of ten?‎ ‎(3)作表语。如:‎ What worried the child most was his not_being_allowed_to visit his mother in the hospital.‎ ‎(4)作定语。如:‎ The problem being_discussed is of great importance.‎ ‎(5)作状语。如:‎ Having_been_shown_around the library,we were taken to see the lab.‎ ‎(6)作补足语。如:‎ As we drew closer,I could see a whale being_attacked by a pack of about six other killers.‎ When we approached him,I saw James being_held_up in the water by Old Tom.‎ ‎[注意]‎ ‎(1)v.-ing 形式的被动式主要在句子中作状语、宾语补足语和定语。但v.-ing 形式的被动式的完成式,一般在句中作状语(偶尔作非限定定语),不作其他成分。‎ They don't like the_design_of_the_new_bridge_being_built.(正在建造的桥的设计)‎ Not_having_been_completed,the museum can't be visited yet.(由于没有完工……)‎ ‎(2)v.-ing 形式的被动式逻辑主语(即动作的承受者)如果也是主句的主语,就不需要表示出来,但是如果逻辑主语不是主句的主语,就得把v.-ing 形式自己的主语表示出来。如:‎ The whole classroom having_been_cleaned,the students went home happily.‎ ‎(3)在want,need,deserve,require,repay,bear,take等动词及形容词worth后,习惯用动词-ing的主动形式表示被动意义,相当于“to be done”。如:‎ The house wants_cleaning.‎ 这房屋需要打扫。 ‎ My watch needs_repairing.‎ 我的手表需要修理。‎ The way deserves_mentioning.‎ 这个方法值得一提。‎ These young trees will require_looking_after carefully.‎ 这些小树需要细心照顾。‎ The film is worth_seeing.‎ 这部影片值得一看。 ‎ Step 3 Exercises 句型转换(改成带-ing形式被动结构的简单句)‎ ‎(1)The hotel which is being built now beside the park was designed by a group of young men.‎ ‎(2)The little girl was eventually aware that her parents abandoned her in the mountainous village.‎ ‎(3)He would come even if we don't invite him.(without)‎ ‎(4)After he had been examined several times,he was told to be healthy.‎ ‎(5)I noticed that some people were taken to the police station.‎ Suggested answers:‎ ‎(1)The hotel being built now beside the park was designed by a group of young men.‎ ‎(2)The little girl was eventually aware of being abandoned by her parents in the mountainous village. ‎ ‎(3)He would come without even being invited.‎ ‎(4)After having been examined several times,he was told to be healthy.‎ ‎(5)I noticed some people being taken to the police station.‎ Step 4 Drilling Ask students to do Exercise 1 on Page 23 and check with their partners then check together.‎ Ask students to do Exercise 2 and check the answers together.‎ Keys:1.being attacked 2.Being held up 3.Being included 4.Having been accepted ‎ ‎5.being told 6.Being helped out 7.being taken 8.being photographed 9.being swallowed.‎ Step 5 Using structures Show students the 6 pictures on Page 64 and ask them to describe them using the passive -ing form in pairs.‎ Keys:1.being invited 2.being kept waiting 3.being attacked 4.being awarded 5.being shouted at 6.being blamed Step 6 Homework Finish off Exercise 2 on Page 64.‎
查看更多

相关文章

您可能关注的文档